A hypothetical crystalline substance exhibits a unique crystal structure with the following unit cell dimensions: $a = b
eq c\alpha = \beta = 90^\circ\gamma = 120^\circ$. This substance most likely belongs to which crystal system?
Trigonal
Orthorhombic
Monoclinic
Hexagonal
Related Questions
For orthorhombic system axial ratios are $a
e b
e c$ and the axial angles are
$\alpha = \beta = \gamma
e {90^0}$
$\alpha
e \beta
e \gamma
e {90^0}$
$\alpha = \gamma = {90^0},\beta
e {90^0}$
A crystalline solid
Changes abruptly from solid to liquid when heated
Has no definite melting point
Has an irregular three-dimensional arrangements
Undergoes deformation of its geometry easily
The structure of crystal is
type
type
type
Antifluorite type
If the distance between and ions in NaCl crystal is ββ pm what is the length of the cell edge?
The unit cell with dimensions $\alpha = \beta = \gamma = 90^\circ ,a = b
e c$ is
Cubic
Triclinic
Hexagonal
Tetragonal
For orthorhombic system which one is correct
$a
e b
e c,\alpha = \beta = \gamma = {90^0}$
$a = b = c,\alpha
e \beta
e \gamma
e {90^0}$
$a
e b = c,\alpha = \beta = \gamma
e {90^0}$
$a
e b
e c,\alpha
e \beta
e \gamma
e {90^0}$
Under which category iodine crystals are placed among the following?
Ionic crystal
Covalent crystal
Molecular crystal
Metallic crystal
Which of the following statements about amorphous solids is incorrect?
They melt over a range of temperature
There is no orderly arrangement of particles
They are rigid and incompressible
They are anisotropic
Which crystal system allows for the existence of a primitive unit cell but not a body-centered unit cell?
Hexagonal
Triclinic
Monoclinic
Orthorhombic
A crystal system characterized by $a
eq b
eq c\alpha = \beta = \gamma = 90^\circ$ is known as:
Tetragonal
Orthorhombic
Monoclinic
Rhombohedral
